Bug 1340564: use attributes to identify talos jobs; r=bstack

MozReview-Commit-ID: B29F5SL8JNr

--HG--
extra : source : fd1f5c9160453dec2a83293cbf1f727a2d5ffc0a

taskcluster/taskgraph/action.py

@@ -98,7 +98,10 @@ def add_talos(decision_task_id, times=1):
      * Adding all talos jobs to a push.
     """
     full_task_json = get_artifact(decision_task_id, "public/full-task-graph.json")
-    task_labels = [label for label in full_task_json if "talos" in label]
+    task_labels = [
+        label for label, task in full_task_json.iteritems()
+        if "talos_try_name" in task['attributes']
+    ]
     for time in xrange(times):
         add_tasks(decision_task_id, task_labels, '{}-'.format(time))